ROTTEN a.
Not firm or trusty; unsound; defective; treacherous; unsafe; as, a rotten plank, bone, stone. "The deepness of the rotten way." Knolles. Rotten borough. See under Borough. -- Rotten stone (Min.), a soft stone, called also Tripoli (from the country from which it was formerly brought), used in all sorts of finer grindin…
SPHERICAL; SPHERIC a.
which, according to ancient astronomy and astrology, they were set. Knaves, thieves, and treachers by spherical predominance. Shak. Though the stars were suns, and overburned Their spheric limitations. Mrs. Browning. Spherical angle, Spherical coördinate, Spherical excess, etc. See under Angle, Coordinate, etc. -- Sp…
UNFAITHFUL a.
ful; not observant of promises, vows, allegiance, or duty; violating trust or confidence; treacherous; perfidious; as, an unfaithful subject; an unfaithful agent or servant. My feet, through wine, unfaithful to their weight. Pope. His honor rooted in dishonor stood, And faith unfaithful kept him falsely true. Tennyson.…
VIPER n.
A dangerous, treacherous, or malignant person. Who committed To such a viper his most sacred trust Of secrecy. Milton. Horned viper. (Zoöl.) See Cerastes. -- Red viper (Zoöl.), the copperhead. -- Viper fish (Zoöl.), a small, slender, phosphorescent deep-sea fish (Chauliodus Sloanii). It has long ventral and dorsal fi…